Zipper closure. Material- Shell: 100% cotton/ Lining: 100% polyester. Multi Pockets- The jackets all have multiple pockets to make them look more cool and keep your loose items. Style- The item with stand collar, ribbed neckline, cuffs and hem for further insulation. Perfect for- Casual daily wear and some outdoor activities like climbing, camping, hiking, hunting, fishing. Men's Lightweight Cotton Military Jackets Spring and Autumn Casual Outerwear